Title:
HYDRAULIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/050064
Kind Code:
A1
Abstract:
A hydraulic machine may include an engine; a working fluid source driven by the engine to supply working fluid; an actuator; a flow control valve fluidly communicating with the working fluid source, wherein when signal pressure is applied to the flow control valve, the flow control valve shifts, by an amount corresponding to the signal pressure, from a first position to a second position in which the flow control valve directs working fluid from the working fluid source to the actuator; an operator input device, by which an operator input an input; and a control device configured to regulate the signal pressure as a function of the input and a speed of the engine to control the flow control valve.
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| WO/2012/171415 | CONTROL METHOD FOR REDUCING OIL CONSUMPTION OF ENGINE OF EXCAVATOR |
Inventors:
SHIN HUNGJU (KR)
Application Number:
PCT/KR2017/009816
Publication Date:
March 14, 2019
Filing Date:
September 07, 2017
Export Citation:
Assignee:
VOLVO CONSTR EQUIP AB (SE)
SHIN HUNGJU (KR)
SHIN HUNGJU (KR)
International Classes:
E02F9/22; F15B11/08; F15B13/04
Foreign References:
| US20130146163A1 | 2013-06-13 | |||
| US20140331660A1 | 2014-11-13 | |||
| US20150322648A1 | 2015-11-12 | |||
| US20150336582A1 | 2015-11-26 | |||
| US20020157389A1 | 2002-10-31 |
Attorney, Agent or Firm:
KIM, Seon-Min (KR)
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